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 ###Instrução: Quais atividades principais estão incorporadas na França?
 ###Tabelas: CREATE TABLE international_tourism_expenditure_2012 (international_tourism_expenditure_2012_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Country VARCHAR, UNWTO Region VARCHAR, International tourism expenditure (2012) VARCHAR, International tourism expenditure (2011) VARCHAR) CREATE TABLE subsidiaries (subsidiaries_id AUTO_INCREMENT PRIMARY KEY, Company VARCHAR, Type VARCHAR, Principal activities VARCHAR, Incorporated in VARCHAR, Group's Equity Shareholding VARCHAR) CREATE TABLE cast (cast_id AUTO_INCREMENT PRIMARY KEY, Character Name VARCHAR, Voice Actor (Japanese) VARCHAR, Voice Actor (English 1997 / Saban) VARCHAR, Voice Actor (English 1998 / Pioneer) VARCHAR, Voice Actor (English 2006 / FUNimation) VARCHAR) CREATE TABLE team_roster_season_2009–10 (team_roster_season_2009–10_id AUTO_INCREMENT PRIMARY KEY, Shirt No INT, Nationality VARCHAR, Player VARCHAR, Birth Date VARCHAR, Height INT, Position VARCHAR) CREATE TABLE heat_4 (heat_4_id AUTO_INCREMENT PRIMARY KEY, Position VARCHAR, Name VARCHAR, Nationality VARCHAR, Event 1 Giant Farmers Walk VARCHAR, Event 2 Squat Lift VARCHAR, Event 3 Africa Stone VARCHAR, Event 4 Overhead Lift VARCHAR, Event 5 Deadlift Hold VARCHAR, Event 6 Loading Race VARCHAR)  
SELECT Principal activities FROM subsidiaries WHERE Incorporated in = france